factorio-blueprint-editor/packages/website/vite.config.js

import { defineConfig } from 'vite'
import { viteStaticCopy } from 'vite-plugin-static-copy'

const fullReloadAlways = {
    name: 'full-reload',
    handleHotUpdate({ server }) {
        server.ws.send({ type: 'full-reload' })
        return []
    },
}

export default defineConfig(({ command, mode }) => {
    const proxy = {
        '/corsproxy': {
            target: 'https://fbe.teoxoy.com',
            changeOrigin: true,
        },
    }
    if (mode !== 'production') {
        proxy['/data'] = {
            target: 'http://127.0.0.1:8081',
            rewrite: path => path.replace(/^\/data/, ''),
        }
    }
    return {
        build: { sourcemap: true },
        preview: { port: 8080 },
        server: {
            port: 8080,
            proxy,
        },
        plugins: [
            command === 'build'
                ? viteStaticCopy({
                      targets: [
                          {
                              src: '../exporter/data/output/*',
                              dest: 'data',
                          },
                      ],
                  })
                : fullReloadAlways,
        ],
    }
})